@material-ui/core/#useMediaQuery JavaScript Examples

The following examples show how to use @material-ui/core/#useMediaQuery. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: AddUpdateForm.js    From to-view-list with MIT License 4 votes vote down vote up
AddUpdateForm = () => {
  const [entry, setEntry] = useState(initialInputValues);
  const [tagInput, setTagInput] = useState('');
  const [error, setError] = useState('');
  const [{ editValues, isLoading }, dispatch] = useEntryContext();
  const history = useHistory();
  const theme = useTheme();
  const isMobile = useMediaQuery(theme.breakpoints.down('xs'));
  const classes = useFormStyles();

  useEffect(() => {
    if (editValues) {
      setEntry(editValues);
    }
  }, [editValues]);

  const { title, link, description, type, tags } = entry;

  const handleOnChange = (e) => {
    setEntry({
      ...entry,
      [e.target.name]: e.target.value,
    });
  };

  const handleTagButton = () => {
    if (tagInput === '') return;
    if (tags.includes(tagInput)) {
      return setError(`Tags need to be unique. Two tags can't be same.`);
    }
    setEntry({ ...entry, tags: tags.concat(tagInput.toLowerCase()) });
    setTagInput('');
  };

  const handleTagDelete = (targetTag) => {
    setEntry({ ...entry, tags: tags.filter((t) => t !== targetTag) });
  };

  const handleClearInput = () => {
    if (editValues) {
      dispatch(resetEditValues());
    }
    setEntry(initialInputValues);
    setTagInput('');
  };

  const handleSubmit = async (e) => {
    e.preventDefault();
    if (tags.length === 0) {
      return setError('Atleast one tag is required.');
    }

    try {
      dispatch(toggleIsLoading());
      if (editValues) {
        const entryRes = await entryService.update(editValues.id, entry);
        dispatch(updateEntry(entryRes));
        notify(
          dispatch,
          `Entry "${editValues.title}" has been successfully updated.`,
          'success'
        );
        dispatch(resetEditValues());
      } else {
        const entryRes = await entryService.create(entry);
        dispatch(addEntry(entryRes));
        notify(
          dispatch,
          `New entry "${entryRes.title}" has been successfully added!`,
          'success'
        );
      }

      dispatch(toggleIsLoading());
      setEntry(initialInputValues);
      setTagInput('');
      history.push('/');
    } catch (err) {
      dispatch(toggleIsLoading());

      const errRes = err?.response?.data;

      if (
        errRes?.error.includes('title') &&
        errRes?.error.includes('allowed length (40)')
      ) {
        return setError(`Title field's maximum character limit is 40. `);
      } else if (
        errRes?.error.includes('description') &&
        errRes?.error.includes('allowed length (250)')
      ) {
        return setError(`Description field's maximum character limit is 250. `);
      } else if (errRes?.error) {
        return setError(errRes.error);
      } else {
        return setError(err.message);
      }
    }
  };

  return (
    <Paper>
      <form onSubmit={handleSubmit} className={classes.root}>
        <Typography
          variant={isMobile ? 'h5' : 'h4'}
          color="primary"
          className={classes.formTitle}
        >
          {editValues ? 'Update the entry' : 'Add a new entry'}
        </Typography>
        <div className={classes.input}>
          <TitleIcon color="secondary" className={classes.inputIcon} />
          <TextField
            color="secondary"
            required
            label="Title"
            value={title}
            name="title"
            onChange={handleOnChange}
            fullWidth
          />
        </div>
        <div className={classes.input}>
          <LinkIcon color="secondary" className={classes.inputIcon} />
          <TextField
            color="secondary"
            required
            label="Link"
            value={link}
            name="link"
            onChange={handleOnChange}
            fullWidth
          />
        </div>
        <div className={classes.input}>
          <DescriptionIcon color="secondary" className={classes.inputIcon} />
          <TextField
            color="secondary"
            required
            multiline
            label="Description"
            value={description}
            name="description"
            onChange={handleOnChange}
            fullWidth
          />
        </div>
        <div className={classes.tagArea}>
          <div className={classes.input}>
            <LocalOfferIcon color="secondary" className={classes.inputIcon} />
            <TextField
              color="secondary"
              label="Add Tags"
              value={tagInput}
              onChange={({ target }) => setTagInput(target.value)}
            />
            <Button
              color="primary"
              size="small"
              variant="outlined"
              onClick={handleTagButton}
              className={classes.tagButton}
            >
              Add
            </Button>
          </div>
          <div className={classes.tagGroup}>
            {tags.map((tag) => (
              <Chip
                key={tag}
                label={tag}
                onDelete={() => handleTagDelete(tag)}
                variant="outlined"
                color="secondary"
                className={classes.tag}
              />
            ))}
          </div>
        </div>
        <div className={classes.radioInput}>
          <CheckCircleOutlineIcon color="secondary" />
          <FormLabel component="legend" className={classes.radioLabel}>
            Link Type:
          </FormLabel>
          <RadioGroup
            row
            label="Type"
            value={type}
            name="type"
            onChange={handleOnChange}
            className={classes.radioGroup}
          >
            <FormControlLabel
              label="Article"
              control={<Radio color="secondary" />}
              value="article"
              checked={type === 'article'}
            />
            <FormControlLabel
              label="Video"
              control={<Radio color="secondary" />}
              value="video"
              checked={type === 'video'}
            />
            <FormControlLabel
              label="Other"
              control={<Radio color="secondary" />}
              value="other"
              checked={type === 'other'}
            />
          </RadioGroup>
        </div>
        <div className={classes.buttonGroup}>
          <Button
            variant="outlined"
            color="primary"
            size={isMobile ? 'medium' : 'large'}
            startIcon={<BackspaceIcon />}
            onClick={handleClearInput}
          >
            Clear
          </Button>
          <Button
            type="submit"
            variant="contained"
            color="primary"
            size={isMobile ? 'medium' : 'large'}
            startIcon={editValues ? <EditIcon /> : <PostAddIcon />}
            disabled={isLoading}
          >
            {editValues
              ? isLoading
                ? 'Updating Entry'
                : 'Update Entry'
              : isLoading
              ? 'Adding Entry'
              : 'Add Entry'}
          </Button>
        </div>
        {error && (
          <AlertBox
            message={error}
            severity="error"
            clearError={() => setError(null)}
          />
        )}
      </form>
    </Paper>
  );
}